2
3
4
5
2-Way Tone Control
Multiple Inputs
3
TRANSFO
D?
GND GND
IN4007
IN4007
C?
D?
2
8
+
V+
2
-
V-
OUT
CH?
C?
4.7uF
A
3
U?A
1
LM833N
C? 4n7
C?
100nF
2
+15V
C?
GND
1
100k
RV?
3
3k3
R?
GND
+15V
470uF
C?
OUT
CH?
B
C?
GND GND
2
GND GND
3
OUT
TO-220
U?
LM7915CT
IN
C?
C?
-15V
+/-15V Power Supply
2
C?
470uF
SPST
2
C?
47nF
C?
Out?
Out?
GND
SW?
1
D?
IN4007
100nF
4
100nF
T?
LM7815CT
TO-220
3
OUT
GND
1
10k
R?
1
2
0.47uF
F?
FUSE
1500uF
1
1500uF
In
PConn
In
PConn
B
IN
0.47uF
1
47nF
C?
3k3
R?
GND
U?
IN4007
D?
LM833N
47k
R?
Summing Circuit Mono
(Mixer)
OUT
CH?
2
GND
GND
+15V
GND
1
1
4
22k
R?
Adder Circuit
(Pre-Amplifier)
-
U?A
RV?
100k
R?
10k
8
2
+
V+
3
3
V-
22k
R?
22K
RV?
3
+15V
IN
2
1
3
C2
100nf
L?
1
LM833N
22k
R?
4
IN
IN
1
RV2
22K
-
L?
U1A
4
2
+
V+
3
V-
GND
8
A
10k
R?
C?
L?
47k
R1
22k
R?
100nF
3
C?
100k
RV1
GND
1
47pf
22k
R2
IN
2
CH?
IN
L?
2
47pf
C1
IN
6
L?
1
Out?
GND GND
C
C
Sheet: /
File: slide mixer.sch
D
D
Title:
Size: A4
Date:
KiCad E.D.A. kicad 4.0.4-stable
1
2
3
4
Rev:
Id: 1/1
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